Suspension General Diagnosis for GMC Truck GMC P42 Commercial Chassis 1999

Diagnostic Procedures

• Front Wheel Shimmy
• Low or Uneven Trim Height
• Noise Diagnosis - Front Suspension
• Noisy Front Suspension
• Poor Directional Stability
• Spring Breakage
• Spring Noise
• Spring Sags or Bottoms
• Struts or Shock Absorbers Bench Test
• Struts or Shock Absorbers Binding
• Struts or Shock Absorbers Noisy
• Wheel Bearings Diagnosis

General Diagnostic Information

• Abnormal or Excessive Tire Wear
• Vehicle Leads/Pulls
• Wheel Tramp